{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Because decreased CB1 expression is thought to contribute to the pathogenesis of Huntington ' s disease ( HD ) , we wanted to determine whether cannabinoids could increase CB1 expression in STHdh ( 7 / 111 ) and ( 111 / 111 ) cells expressing the mutant huntingtin protein ."}
{"Chemical": []}